import request from '@/utils/request'

// 模拟数据
const mockOverviewData = {
  month: {
    total: 42,
    onlineRate: 90.9,
    communicationCount: 50,
    avgCommunicationTime: 2.0
  },
  year: {
    total: 45,
    onlineRate: 92.5,
    communicationCount: 580,
    avgCommunicationTime: 2.2
  }
}

const mockTrendData = {
  month: {
    legends: ['大连', '小连'],
    xAxis: ['1日', '2日', '3日', '4日', '5日', '6日', '7日', '8日', '9日', '10日', '11日', '12日', '13日', '14日', '15日', '16日', '17日', '18日', '19日', '20日', '21日', '22日', '23日', '24日', '25日', '26日', '27日', '28日', '29日', '30日', '31日'],
    series: [
      {
        name: '大连',
        data: [60, 58, 65, 70, 75, 85, 80, 70, 60, 90, 85, 80, 95, 85, 65, 70, 75, 85, 80, 70, 60, 90, 85, 80, 95, 85, 65, 70, 75, 85, 80]
      },
      {
        name: '小连',
        data: [65, 70, 80, 75, 60, 55, 90, 85, 95, 85, 75, 60, 55, 65, 80, 75, 60, 55, 90, 85, 95, 85, 75, 60, 55, 65, 80, 75, 60, 55, 90]
      }
    ]
  },
  year: {
    legends: ['大连', '小连'],
    xAxis: ['1月', '2月', '3月', '4月', '5月', '6月', '7月', '8月', '9月', '10月', '11月', '12月'],
    series: [
      {
        name: '大连',
        data: [85, 88, 90, 92, 88, 85, 90, 92, 95, 90, 88, 85]
      },
      {
        name: '小连',
        data: [80, 85, 88, 90, 85, 80, 88, 90, 92, 88, 85, 80]
      }
    ]
  }
}

// 获取设备统计概览数据
export function getDeviceOverview(params) {
  return {
    data: mockOverviewData[params.type]
  }
}

// 获取设备在线率趋势数据
export function getDeviceOnlineTrend(params) {
  return {
    data: mockTrendData[params.type]
  }
}

// 获取行驶概览数据
export function getDrivingOverview(params) {
  return new Promise((resolve) => {
    setTimeout(() => {
      resolve({
        data: {
          totalMileage: 12345.67,
          avgMileage: 1234.56,
          maxMileage: 2345.67,
          minMileage: 123.45
        }
      })
    }, 500)
  })
}

// 获取行驶趋势数据
export function getDrivingTrend(params) {
  return new Promise((resolve) => {
    setTimeout(() => {
      const isMonth = params.type === 'month'
      const xAxis = isMonth 
        ? Array.from({length: 31}, (_, i) => `${i + 1}日`)
        : Array.from({length: 12}, (_, i) => `${i + 1}月`)
      
      const series = Array.from({length: xAxis.length}, () => 
        Math.floor(Math.random() * 2000) + 500
      )

      resolve({
        data: {
          xAxis,
          series
        }
      })
    }, 500)
  })
}

// 获取行驶排名数据
export function getDrivingRanking(params) {
  return new Promise((resolve) => {
    setTimeout(() => {
      const data = Array.from({length: params.limit}, (_, i) => ({
        deviceName: `设备${i + 1}`,
        mileage: Math.floor(Math.random() * 2000) + 500
      })).sort((a, b) => b.mileage - a.mileage)

      resolve({
        data
      })
    }, 500)
  })
}